TY - GEN AU - Cloutier,G AU - Guardo,R AU - Durand,L G TI - Spectral analysis of closing sounds produced by Ionescu-Shiley bioprosthetic aortic heart valves. Part 1. Optimal number of poles and zeros for parametric spectral analysis SN - 0140-0118 PY - 1988///0524 KW - Aortic Valve KW - Bioprosthesis KW - Heart Valve Prosthesis KW - Humans KW - Phonocardiography KW - methods KW - Prosthesis Failure N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1007/BF02441739 ER -